PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/09-15:57:40
G02     215.8          56.7               12.3 +/-    0.75      14.4 +/-    0.75  0.080 / 0.220
G06     60.2           74.7               10.6 +/-    0.63      10.9 +/-    0.63  0.080 / 0.220
G12     317.5          34.2                9.5 +/-    1.08      15.3 +/-    1.08  0.080 / 0.080
G17     53.4           36.4                9.8 +/-    1.86      15.1 +/-    1.86  0.080 / 0.080
G19     39.3           48.6               10.1 +/-    1.26      13.0 +/-    1.26  0.050 / 0.060
G24     267.8          41.3               11.8 +/-    1.23      16.7 +/-    1.23  0.040 / 0.070
G28     119.9          20.2                9.6 +/-    1.39      20.9 +/-    1.39  0.030 / 0.030